Piskunov N <br/><br/>
Differential and integral calculus.2V. 

 -  1974 
<br/><br/><label>Standard No.: </label>130415 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B3210t5, L4.1-.2